/*
 DNN Content Builder - sourceforge.net/projects/dnncb
 Copyright (c) 2004-2008
 by Emerson Lopes (emersonlopes@gmail.com)

 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
 documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
 the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
 to permit persons to whom the Software is furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in all copies or substantial portions 
 of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
 TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 DEALINGS IN THE SOFTWARE.
*/

namespace DNNContentBuilder.UserControls
{
	using System;
	using System.Collections;
	using System.Data;
	using System.Data.OleDb;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;

	/// <summary>
	///		Summary description for ConnectionStringControl.
	/// </summary>
	public class ConnectionStringControl : System.Web.UI.UserControl
	{
		// for localization
		public const string resource = "~/DesktopModules/DNNContentBuilder/App_LocalResources/ConnectionStringControl";

		protected System.Web.UI.WebControls.LinkButton			btNewConn;
		protected System.Web.UI.WebControls.LinkButton			btUpdate;
		protected System.Web.UI.WebControls.LinkButton			btDelete;
		protected System.Web.UI.WebControls.LinkButton			btCancel;
		protected System.Web.UI.WebControls.Panel				ConnectionStringPanel;
		protected System.Web.UI.WebControls.Panel				ConnectionsListPanel;
		protected System.Web.UI.WebControls.RadioButtonList		RadioButtonList1;
		protected System.Web.UI.WebControls.DataList			ConnectionsList;
		protected System.Web.UI.WebControls.LinkButton			btSearchConn;
		protected System.Web.UI.WebControls.TextBox				txtTitle;
		protected System.Web.UI.WebControls.TextBox				txtString;
		protected System.Web.UI.WebControls.LinkButton			btTestConn;
		protected System.Web.UI.HtmlControls.HtmlInputHidden	txtConnId;
		protected System.Web.UI.WebControls.Label msgBadConnection;
		protected System.Web.UI.WebControls.Label msgGoodConnection;
		protected System.Web.UI.WebControls.Label msgTestConn;
		protected System.Web.UI.WebControls.DropDownList ddDataBase;

		private   ConnectionStringController csController = new ConnectionStringController();
		private   DatabaseController dbController = new DatabaseController();

		private   ConnectionStringInfo csInfo = new ConnectionStringInfo();
		private   DatabaseInfo dbInfo = new DatabaseInfo();

		private void Page_Load(object sender, System.EventArgs e)
		{
			if (IsPostBack) 
			{
				this.btDelete.Attributes.Add("onClick", "javascript:return confirm('" + Commons.GetLocalizedString("label_ConfirmDelete", resource) + "')");
			}

			this.btUpdate.Text		= Commons.GetLocalizedString("button_Update", resource);
			this.btDelete.Text		= Commons.GetLocalizedString("button_Delete", resource);
			this.btCancel.Text		= Commons.GetLocalizedString("button_Cancel", resource);
			this.btNewConn.Text		= Commons.GetLocalizedString("button_Create", resource);
			this.btSearchConn.Text	= Commons.GetLocalizedString("button_Search", resource);

			this.msgGoodConnection.Text = Commons.GetLocalizedString("label_Success", resource);

			this.btTestConn.Text	= Commons.GetLocalizedString("button_Test", resource);

			// Put user code to initialize the page here
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);

			fillList();

		}
		
		/// <summary>
		///		Required method for Designer support - do not modify
		///		the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.btSearchConn.Click += new System.EventHandler(this.btSearchConn_Click);
			this.btTestConn.Click += new System.EventHandler(this.btTestConn_Click);
			this.btUpdate.Click += new System.EventHandler(this.btUpdate_Click);
			this.btDelete.Click += new System.EventHandler(this.btDelete_Click);
			this.btCancel.Click += new System.EventHandler(this.btSearchConn_Click);
			this.ConnectionsList.ItemCreated += new System.Web.UI.WebControls.DataListItemEventHandler(this.ConnectionsList_ItemCreated);
			this.btNewConn.Click += new System.EventHandler(this.btNewConn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		private void btSearchConn_Click(object sender, System.EventArgs e)
		{
			clearFields();
		}

		private void btNewConn_Click(object sender, System.EventArgs e)
		{
			this.ConnectionsListPanel.Visible = false;
			this.ConnectionStringPanel.Visible = true;

			fillList();
		}

		private void btUpdate_Click(object sender, System.EventArgs e)
		{
			csInfo.Title = txtTitle.Text;
			csInfo.ConnectionString = txtString.Text;
			csInfo.DatabaseId = Int32.Parse(ddDataBase.SelectedValue);

			if (txtConnId.Value != "") 
			{
				csInfo.ConnectionStringId = Int32.Parse(txtConnId.Value);
			}

			if (txtConnId.Value == "") 
			{
				csController.Add(csInfo);
			} 
			else 
			{
				csController.Update(csInfo);
			}
			clearFields();
		}

		private void btDelete_Click(object sender, System.EventArgs e)
		{
			if (txtConnId.Value != "") 
			{
				csController.Delete(Int32.Parse(txtConnId.Value));
			}
			clearFields();
		}

		private void btTestConn_Click(object sender, System.EventArgs e)
		{
			msgBadConnection.Visible = false;
			msgGoodConnection.Visible = false;

			OleDbConnection testConnection = new OleDbConnection();

			try 
			{
				testConnection.ConnectionString = txtString.Text;
				testConnection.Open();
			}
			catch (Exception localException)
			{
				msgBadConnection.Visible = true;
				msgBadConnection.Text = localException.Message;
			}
			finally 
			{
				testConnection.Close();
			}

			if (!msgBadConnection.Visible) 
			{
				msgGoodConnection.Visible = true;
			}
		}

		private void btCancel_Click(object sender, System.EventArgs e)
		{
			clearFields();
		}
		private void clearFields () {
			txtTitle.Text = "";
			txtString.Text= "";
			txtConnId.Value = "";
            
			this.ConnectionsListPanel.Visible = true;
			this.ConnectionStringPanel.Visible = false;

			this.msgBadConnection.Visible = false;
			this.msgGoodConnection.Visible = false;

			fillList();
		}

		private void fillList () 
		{
			ddDataBase.DataSource = (ICollection)dbController.GetAllDatabases();
			ddDataBase.DataTextField = "Title";
			ddDataBase.DataValueField = "DatabaseId";
            ddDataBase.DataBind();

			ConnectionsList.DataSource = (ICollection)csController.GetAllConnections();
			ConnectionsList.DataBind();

			btDelete.Visible = false;
		}

		private void ConnectionsList_ItemCreated( object sender, System.Web.UI.WebControls.DataListItemEventArgs e) 
		{ 
			ListItemType elemType = e.Item.ItemType;

			if ((elemType == ListItemType.Item) || (elemType == ListItemType.AlternatingItem))
			{ 
				ImageButton imgButton = (ImageButton) e.Item.FindControl("btConnSelected"); 
				imgButton.Click += new System.Web.UI.ImageClickEventHandler(btConnSelected_OnClick); 
			}  
		} 
		private void btConnSelected_OnClick(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			ImageButton btConnSelected = (ImageButton)sender;
			csInfo = (ConnectionStringInfo)csController.GetItem(Int32.Parse(btConnSelected.CommandArgument));

			this.txtConnId.Value = csInfo.ConnectionStringId.ToString();
			this.txtTitle.Text = csInfo.Title;
			this.txtString.Text = csInfo.ConnectionString;
			this.ddDataBase.SelectedValue = csInfo.DatabaseId.ToString();

			this.ConnectionsListPanel.Visible = false;
			this.ConnectionStringPanel.Visible = true;

			btDelete.Visible = true;
		}
	}
}
